/* booking-styles.css — Self-contained Buchungs-Dialog
 * Funktioniert in jedem Variant (klassisch / karg / modern).
 * Eigene CSS-Variablen mit Fallbacks, falls Variant-Variablen nicht existieren.
 * © 2026 · Olivier Alexandre Koch
 */

.booking {
  /* Variant-Variablen mit Fallbacks */
  --b-bg:     var(--bg, #ffffff);
  --b-bg-2:   var(--bg-2, #f5f5f4);
  --b-bg-3:   var(--bg-3, #e7e5e4);
  --b-ink:    var(--ink, #0a0a0a);
  --b-ink-2:  var(--ink-2, #404040);
  --b-ink-3:  var(--ink-3, #737373);
  --b-line:   var(--line, #e7e5e4);
  --b-accent: var(--accent, #d97706);
  --b-r-lg:   var(--r-lg, 18px);
  --b-ease:   var(--ease, cubic-bezier(0.4, 0, 0.2, 1));

  width: min(560px, calc(100vw - 32px));
  max-height: min(720px, calc(100vh - 32px));
  border: 0; padding: 0;
  border-radius: var(--b-r-lg);
  background: var(--b-bg);
  color: var(--b-ink);
  margin: auto;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.08);
  animation: booking-dialogIn 0.32s var(--b-ease);
  font-family: inherit;
}
.booking::backdrop {
  background: color-mix(in oklab, #000 50%, transparent);
  backdrop-filter: blur(8px);
  animation: booking-fadeIn 0.25s var(--b-ease);
}
@keyframes booking-dialogIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
@keyframes booking-fadeIn { from { opacity: 0; } to { opacity: 1; } }

.booking__head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px;
  padding: 28px 28px 12px;
}
.booking__eyebrow {
  font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--b-accent);
  margin-bottom: 8px;
}
.booking__title {
  font-family: inherit; font-weight: 500;
  font-size: 1.5rem; line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--b-ink);
  margin: 0;
}
.booking__close {
  width: 36px; height: 36px;
  background: var(--b-bg-2);
  border: 0; border-radius: 50%;
  color: var(--b-ink);
  font-size: 1.3rem; cursor: pointer;
  display: grid; place-items: center;
  font-family: inherit;
  transition: background 0.2s ease;
  flex-shrink: 0;
}
.booking__close:hover { background: var(--b-bg-3); }
.booking__progress {
  height: 2px;
  background: var(--b-bg-3);
  margin: 0 28px 20px;
  border-radius: 999px;
  overflow: hidden;
}
.booking__progress > div {
  height: 100%;
  background: var(--b-accent);
  transition: width 0.4s var(--b-ease);
  width: 25%;
}
.booking__body {
  padding: 0 28px;
  overflow-y: auto;
  max-height: 480px;
}
.booking__foot {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 20px 28px 28px;
  border-top: 1px solid var(--b-line);
  margin-top: 20px;
}

/* Standalone btn-Klassen (falls Variant keine eigenen hat) */
.booking .btn--primary,
.booking .btn--ghost {
  font-family: inherit; cursor: pointer;
  padding: 12px 22px; font-size: 0.92rem; font-weight: 500;
  border-radius: 999px; border: 1.5px solid transparent;
  transition: all 0.2s ease;
}
.booking .btn--primary {
  background: var(--b-ink); color: var(--b-bg);
}
.booking .btn--primary:hover {
  background: var(--b-accent); transform: translateY(-2px);
}
.booking .btn--primary:disabled {
  opacity: 0.5; cursor: not-allowed; transform: none;
}
.booking .btn--ghost {
  background: transparent; color: var(--b-ink-2); border-color: var(--b-line);
}
.booking .btn--ghost:hover { background: var(--b-bg-2); border-color: var(--b-ink-3); }
.booking .btn--ghost:disabled { opacity: 0.4; cursor: not-allowed; }

/* Step 1: Behandlungs-Optionen */
.booking .opt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}
.booking .opt {
  padding: 16px 18px;
  background: var(--b-bg-2);
  border: 1.5px solid transparent;
  border-radius: 12px;
  cursor: pointer; font-family: inherit;
  text-align: left;
  transition: all 0.2s ease;
}
.booking .opt:hover { background: var(--b-bg-3); }
.booking .opt[aria-pressed="true"] {
  background: var(--b-bg);
  border-color: var(--b-ink);
}
.booking .opt strong {
  display: block; font-weight: 500; font-size: 0.98rem;
  color: var(--b-ink); letter-spacing: -0.005em;
}
.booking .opt small {
  display: block; font-size: 0.82rem;
  color: var(--b-ink-3); margin-top: 3px;
}

/* Step 2: Kalender */
.booking .cal { display: grid; gap: 12px; }
.booking .cal__nav {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 500; font-size: 1rem;
}
.booking .cal__nav button {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--b-bg-2); border: 0; cursor: pointer;
  font-family: inherit; font-size: 1rem; color: var(--b-ink);
  display: grid; place-items: center;
  transition: background 0.2s ease;
}
.booking .cal__nav button:hover { background: var(--b-bg-3); }
.booking .cal__grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px;
  font-size: 0.88rem;
}
.booking .cal__hd {
  font-size: 0.72rem; font-weight: 600;
  color: var(--b-ink-3); letter-spacing: 0.06em;
  text-transform: uppercase; padding: 6px 0;
  text-align: center;
}
.booking .cal__day {
  padding: 9px 0; border-radius: 8px; cursor: pointer;
  background: var(--b-bg-2); color: var(--b-ink);
  border: 1.5px solid transparent;
  text-align: center; font-family: inherit;
  transition: all 0.15s ease;
  position: relative;
}
.booking .cal__day:hover:not([disabled]) {
  background: var(--b-bg-3);
}
.booking .cal__day[aria-pressed="true"] {
  background: var(--b-ink); color: var(--b-bg);
}
.booking .cal__day[disabled] {
  opacity: 0.3; cursor: not-allowed;
}
.booking .cal__day.has-dot::after {
  content: ""; width: 4px; height: 4px;
  background: var(--b-accent); border-radius: 50%;
  position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
}

/* Step 2: Slots */
.booking .slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
  margin-top: 8px;
}
.booking .slot {
  padding: 10px 14px; border-radius: 999px;
  background: var(--b-bg-2); border: 1.5px solid transparent;
  cursor: pointer; font-family: inherit;
  font-size: 0.88rem; color: var(--b-ink);
  transition: all 0.15s ease;
  font-variant-numeric: tabular-nums;
}
.booking .slot:hover { background: var(--b-bg-3); }
.booking .slot[aria-pressed="true"] {
  background: var(--b-ink); color: var(--b-bg);
}

/* Step 3: Formular */
.booking .field { margin-bottom: 14px; }
.booking .field label {
  display: block; font-size: 0.78rem; font-weight: 600;
  color: var(--b-ink-2); letter-spacing: 0.02em;
  margin-bottom: 5px;
}
.booking .field input,
.booking .field textarea,
.booking .field select {
  font-family: inherit; font-size: 0.95rem;
  width: 100%; padding: 10px 14px;
  background: var(--b-bg-2);
  border: 1.5px solid transparent;
  border-radius: 10px;
  color: var(--b-ink);
  outline: 0; transition: border-color 0.2s ease;
  box-sizing: border-box;
}
.booking .field input:focus,
.booking .field textarea:focus,
.booking .field select:focus {
  border-color: var(--b-ink);
}

/* Step 4: Zusammenfassung */
.booking .summary {
  background: var(--b-bg-2);
  padding: 18px;
  border-radius: 12px;
  margin-bottom: 18px;
}
.booking .summary dt {
  font-size: 0.74rem; font-weight: 600;
  color: var(--b-ink-3); letter-spacing: 0.06em;
  text-transform: uppercase; margin-top: 8px;
}
.booking .summary dt:first-child { margin-top: 0; }
.booking .summary dd {
  font-size: 0.98rem; font-weight: 500;
  color: var(--b-ink); margin-top: 2px;
  margin-left: 0;
}